摘要: Tolerance to low oxygen availability is likely be due the interaction of several factors. Sugar one elements required support anaerobic metabolism. In cereal grains soluble sugars limited, while starch stored in large amounts. Degradation under anoxia therefore needed avoid sugar starvation leading rapid cell death. The striking difference ability produce a-amylase when comparing anoxia-tolerant rice (Oryza sativa L.) with other cereals not easily explained. Rice able respond gibberellins anoxia, but response too slow explain production enzyme. present work we demonstrated that during first 2 d after imbibition mostly activity Ramy3D gene, encoding for G and H isoforms a-amylase. induction transcription result from a content incubated anoxia. embryos sense reported. 2003 Annals Botany Company
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